43 lines
1023 B
C
43 lines
1023 B
C
|
// Copyright (c) 2010-2011 GeometryFactory Sarl (France)
|
||
|
//
|
||
|
// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
|
||
|
// modify it under the terms of the GNU Lesser General Public License as
|
||
|
// published by the Free Software Foundation; either version 3 of the License,
|
||
|
// or (at your option) any later version.
|
||
|
//
|
||
|
// Licensees holding a valid commercial license may use this file in
|
||
|
// accordance with the commercial license agreement provided with the software.
|
||
|
//
|
||
|
// $URL$
|
||
|
// $Id$
|
||
|
// SPDX-License-Identifier: LGPL-3.0+
|
||
|
//
|
||
|
//
|
||
|
// Author(s) : Laurent Rineau
|
||
|
|
||
|
extern "C" {
|
||
|
#include <fenv.h>
|
||
|
}
|
||
|
|
||
|
namespace CGAL {
|
||
|
|
||
|
// replacement for C99
|
||
|
|
||
|
inline int
|
||
|
feclearexcept(int exceptions) {
|
||
|
int mxcsr;
|
||
|
asm volatile("stmxcsr %0" : "=m" (mxcsr) );
|
||
|
mxcsr &= ~exceptions;
|
||
|
asm volatile("ldmxcsr %0" : : "m" (mxcsr) );
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
inline int
|
||
|
fetestexcept(int exceptions) {
|
||
|
int status;
|
||
|
asm volatile("stmxcsr %0" : "=m" (status) );
|
||
|
return status & exceptions;
|
||
|
}
|
||
|
|
||
|
} // end namespace CGAL
|